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The Draft Transmission Programmatic Environmental Impact Statement (EIS) was released on March 31, 2025. To review the document visit the Transmission PEIS webpage
There has been an extension to comment on the Draft PEIS until May 15th. 

The Carriger Solar Draft Order #899 is available for comment April 29th through May 1st 11:59 pm. You can see the Draft Order under the "Orders" header towards the bottom of the Carriger Solar webpage.  

There are two Special Meetings for the Carriger Solar project set for May 5th and May 6th. For more information, visit the Carriger Solar webpage

If you would like to submit a comment for either of the above visit our comment database: https://comments.efsec.wa.gov

EFSEC Document

Columbia Solar - TUUSSO Energy - Docket:170823

Process Type Document Group(s) Document link File Date Document Set
Application Application Appendix I-1 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix I-2 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix I-3 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix I-4 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix I-5 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix J-1 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix J-2 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix J-3 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix J-4 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix J-5 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix K-1 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix K-2 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix K-3 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix K-4 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix K-5 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix L 00001
Application for Site Certification on behalf of Tuusso...
Application Application Appendix List 00001
Application for Site Certification on behalf of Tuusso...
Application Application Cover Letter 00001
Application for Site Certification on behalf of Tuusso...
Application Application Cover Page 00001
Application for Site Certification on behalf of Tuusso...
Application Application Original Application for Site Certification - Columbia Solar 10/16/2017 00001
Application for Site Certification on behalf of Tuusso...
Application Application Section 1 00001
Application for Site Certification on behalf of Tuusso...
Application Application Section 2 00001
Application for Site Certification on behalf of Tuusso...
Application Application Section 3 00001
Application for Site Certification on behalf of Tuusso...
Application Application Section 4 00001
Application for Site Certification on behalf of Tuusso...
Application Application Table of Contents 00001
Application for Site Certification on behalf of Tuusso...
Application Application Original Application 01/19/2021 00001
Original Application
Application Application Attachment A ~ Land Use Consistency 01/19/2021 00001
Original Application
Application Application Attachment B ~ Preliminary Site Plan 01/19/2021 00001
Original Application
Application Application Attachment C ~ Land Owner Support Letters 01/19/2021 00001
Original Application
Application Application Attachment D ~ Vegetation and Weed Management Plan 01/19/2021 00001
Original Application
Application Application Attachment E ~ Additional Site Maps 01/19/2021 00001
Original Application
Application Application Redacted Attachment F ~ Wildlife and Habitat Survey Redacted 01/19/2021 00001
Original Application
Application Application Attachment G ~ Plant and Big Game Assessment 01/19/2021 00001
Original Application
Application Application Attachment I ~ Acoustic Assessment Report 01/19/2021 00001
Original Application
Application Application Attachment J ~ Visual Impact Assessment 01/19/2021 00001
Original Application
Application Application Attachment K ~ Solar Glare Reports 01/19/2021 00001
Original Application
Application Application Attachment L ~ Geotechnical 01/19/2021 00001
Original Application
Application Application Attachment M ~ FAA Determination of No Hazard 01/19/2021 00001
Original Application
Application Application Attachment N ~ Dept of Defense Consultation 01/19/2021 00001
Original Application
Application Application Attachment O ~ Wetland Report 01/19/2021 00001
Original Application
Application Application Attachment P ~ Socioeconomic 01/19/2021 00001
Original Application
Application Application Attachment Q ~ Water Availability Letter 01/19/2021 00001
Original Application
Application Application Attachment R ~ Habitat Mitigation Memo 01/19/2021 00001
Original Application
Application Application Appendix E - Turbine and Acess Road Displacement Area 02/08/2021 00001
Original Application
Application Application Appendix F - Land Owner List and Legal Descriptions 02/08/2021 00001
Original Application
Application Application Appendix G - Shadow Flicker Analysis 02/08/2021 00001
Original Application
Application Application Appendix H - Glare Analysis Report 02/08/2021 00001
Original Application
Application Application Appendix I Wetlands Water Delination Report 02/08/2021 00001
Original Application
Application Application Appendix J Water Source Documentation 02/08/2021 00001
Original Application
Application Application Original Application Submitted February 8, 2021 02/08/2021 00001
Original Application

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